Diamond Comic Distributors, Inc. is a Hunt Valley, Maryland-based distributor of comics, graphic novels, and pop-culture merchandise. The company operates five warehouses totaling over one million square feet, serving over 6,500 retail stores across 85 countries. Its divisions include Alliance Game Distributors, which supplies hobby games; Collectible Grading Authority, which authenticates vintage toys; and Diamond Select Toys, which manufactures licensed collectibles. The enterprise is owned by the Stephen A. Geppi trusts.
